Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 35 - 39 of 191

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Question 35

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Question

MCQ▾

If an object is moving with a constant velocity, what will be its acceleration?

Choices

Choice (4)Response

a.

Cannot be determined

b.

Zero

c.

Double the velocity

d.

Equal to velocity

Question 36

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Question

MCQ▾

Which of the following statement is true?

Choices

Choice (4)Response

a.

Velocity is directly proportional to time.

b.

Distance is directly proportional to speed.

c.

Speed is inversely proportional to distance.

d.

None of the above

Question 37

Physics
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Question

MCQ▾

Which of the following statement is not true about conduction?

Choices

Choice (4)Response

a.

Wood is a bad conductor of heat

b.

Conduction is the fastest mode of transfer of heat.

c.

Conduction doesn’t work in vacuum.

d.

None of the above

Question 38

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Question

MCQ▾

Which type of motion will be shown by smoke in the air?

Choices

Choice (4)Response

a.

Random motion

b.

Circular motion

c.

Rectilinear motion

d.

Curvilinear motion

Question 39

Physics
Edit

Question

MCQ▾

Why houses are made of wood in cold countries.

Figure showing a wooden house

Figure Showing a Wooden House

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Choices

Choice (4)Response

a.

Because wood is good insulator of heat

b.

Because wood is a bad insulator of heat

c.

Because wood is very cheap.

d.

All of the above